Panda-Sim has catalogues for one-time codes, number rental and mobile proxies. Users manage accounts and top-ups in their cabinet. An API page does not mean a public number-provisioning API is already available.
Telegram
WhatsApp
VK
Google (YouTube, Gmail)
Yandex
Wildberries
OZON
TikTok/Douyin
Apple
Discord
Blizzard
Steam
Twitch
OpenAI (ChatGPT)
FunPay